Cometic C5934-056 GM LSX Small Block MLS Cylinder Head Gasket Bore - Gen-4 V8 4.125

The Cometic C5934-056 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LSX Gen-4 small block V8 engines. This left-hand side (LHS) gasket features a 4.125-inch bore diameter and .056-inch compressed thickness, providing exceptional sealing performance for high-performance and racing applications.

Key Features:

• Multi-Layer Steel construction with multiple embossed layers for superior combustion sealing
• 4.125" bore diameter accommodates standard and slightly overbored LSX Gen-4 engines
• .056" compressed thickness allows for precise compression ratio tuning
• Designed specifically for GM LSX Gen-4 small block V8 platform
• Left-hand side (LHS) application
• Viton rubber sealing beads around oil and coolant passages
• Stainless steel construction resists corrosion and provides excellent heat resistance

Cometic MLS gaskets are the choice of professional engine builders and racers worldwide. The multiple-layer design allows the gasket to recover and maintain torque loading better than conventional gaskets, while the embossed layers provide multiple sealing points around the combustion chamber. This gasket is ideal for street performance, drag racing, road racing, and forced induction applications where reliable head sealing is critical.